Plasma waves associated with energetic particles streaming into the solar wind from the Earth's bow shock

Details Plasma waves associated with energetic particles streaming into the solar wind from the Earth's bow shock Plasma waves associated with energetic particles streaming into the solar wind from the Earth's bow shock

Dec 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980iowa.rept.....a&link_type=abstract

Progress Report for period ending Jul. 1980 Iowa Univ., Iowa City. Dept. of Physics and Astronomy.

Astronomy and Astrophysics

Astronomy

Bow Waves, Energetic Particles, Interplanetary Space, Plasma Waves, Shock Waves, Solar Wind, Charged Particles, Data Acquisition, Doppler Effect, Electromagnetic Noise, Ion Acoustic Waves

Scientific paper

In the upstream solar wind, three dominant types of plasma waves are observed associated with energetic particle streams coming from the Earth's bow shock: ion-acoustic waves, electron plasma oscillations, and whistler-mode waves. The ion-acoustic waves occur simultaneously with either ion beams or a dispersed ion population in the energy range from approximately 0.5 to greater than 45 keV. These short-wavelength electrostatic waves are very impulsive and the peak amplitudes increase with increasing ion flux and at spatial gradients in the energetic ion densities. The electon plasma oscillations are long-wavelength nearly monochromatic electrostatic wave which are closely correlated with the flux of low energy electrons, especially in the 0.2 - 1.5 keV range. In the presence of only enhanced electron fluxes, the average amplitudes of the electron plasma oscillations approach the peak amplitudes.

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